The Shaft Assembly,blade,gearbox, cataloged under National Stock Number 1650-01-290-1957, is classified within Federal Supply Class 1650 (Aircraft Hydraulic, Vacuum, and De-icing System Components) of the Aircraft Components and Accessories group. The manufacturer of record is Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1650-01-290-1957 |
| Primary Part Number | 70351-28201-049 |
| Item Name | Shaft Assembly,blade,gearbox |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Manufacturer | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| Status | ACTIVE |
| General Characteristics Item Description | AL ALY 6061-T6511 SHAFT;QQ-C-530 ALY 172 TEM H INSERT;QQ-A-225-8 6061-T651 FLANGE;21.615 IN. O/A LG IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 70351-28201-049 | Stevens Manufacturing Co., Inc. (USA) |
| 70351-28201-049 PRIMARY | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
| Reference | Meaning |
|---|---|
| 70351-28201 | D/9 Drawing number reference only Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
NSN 1650-01-290-1957 is a Shaft Assembly,blade,gearbox, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
NSN 1650-01-290-1957 has 2 manufacturer part numbers on file: 70351-28201-049 (Stevens Manufacturing Co., Inc.), 70351-28201-049 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).
Key specifications for 70351-28201-049: General Characteristics Item Description: AL ALY 6061-T6511 SHAFT;QQ-C-530 ALY 172 TEM H INSERT;QQ-A-225-8 6061-T651 FLANGE;21.615 IN. O/A LG IN. 1 specification is documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 1650-01-290-1957 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.